Vacuum gripper



FIG. 1 is a perspective top view of a vacuum gripper, showing my new design;

FIG. 2 is a perspective bottom view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a sectional view thereof, taken along line 9-9 of FIG. 2.

The broken lines in the figures show portions of the vacuum gripper, which form no part of the claimed design. 

CLAIM The ornamental design for a vacuum gripper, as shown and described. 